A shearing module

Abstract

The utility model discloses a shearing module, including rotating assembly and at least one shearing device, and the movable end of rotating assembly is installed with material cup, and the material cup is equipped with the clamping position for fixing work piece, shearing device includes first fixed base and first drive component, and first drive component is connected with screw rod drive, and the screw rod is installed on first fixed base longitudinally, and the upper portion and lower portion of screw rod are reverse thread respectively, and the upper portion is connected with first nut seat, and the lower portion is connected with second nut seat, first nut seat and second nut seat are connected with first shearing arm and second shearing arm respectively, and first shearing arm and second shearing arm correspond in up and down, and two are connected with first fixed base sliding respectively, and first cutting knife and second cutting knife are installed in the end of two respectively, and the idle position will not appear in the moving process of screw rod pair, can accurately make first shearing arm and second shearing arm reach the position that needs, improve the rigidity of shearing very well, ensure that can cut off work piece.

Description

Technical Field

[0001] This utility model belongs to the field of shearing equipment technology, specifically a shearing module. Background Technology

[0002] With social development, the types of optical lenses are increasing, and the requirements for their compatibility and precision are becoming higher. At present, the poor heat insulation effect of the shearing device will affect its shearing accuracy and cause inconvenience in debugging, resulting in a decrease in product yield. Most shearing machines are hydraulically driven, which is unstable and the transmission part is under heavy load, causing wear and tear on the parts. To address the above problems, improvements are needed. In the existing technology, such as the published technical document "CN 212706903 U, a shearing device for optical lenses", when the two sliding blocks on the lead screw slide move in the inclined groove of the sliding block, the two blade holders move in opposite directions. Since the blade holder, heat insulation block and blade are a whole, it can be regarded as the opposite movement between the upper and lower blades, which is also a shearing or opening movement.

[0003] However, while the above method can complete the opening and closing action of the blade, due to the machining accuracy of the inclined groove and the increased wear of parts due to rolling friction during high-intensity use, the movement range of the tool holder may be inaccurate, resulting in insufficient rigidity and inability to complete the shearing workpiece. Utility Model Content

[0004] The purpose of this invention is to provide a shearing module to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A shearing module includes a rotating assembly and at least one shearing device, wherein a material cup is mounted on the movable end of the rotating assembly, and the material cup is provided with a locking position for fixing the workpiece;

[0007] The shearing device includes a first fixed base and a first drive assembly. The first drive assembly is connected to a lead screw drive. The lead screw is longitudinally mounted on the first fixed base. The upper and lower parts of the lead screw are respectively reverse threads. The upper part is connected to a first nut seat and the lower part is connected to a second nut seat.

[0008] The first nut seat and the second nut seat are respectively connected to the first shearing arm and the second shearing arm. The first shearing arm and the second shearing arm are vertically aligned and are slidably connected to the first fixed seat. The first cutter and the second cutter are respectively installed at their ends.

[0009] In a further technical solution, the first shearing arm and / or the second shearing arm are provided with a mounting position, and a heating component is installed in the mounting position, the heating component being used to heat the first cutter and / or the second cutter.

[0010] Further, in the technical solution, the first fixed seat includes a fixed plate and a first movable plate that are slidably connected. An adjusting rod is rotatably connected to the upper end of the fixed plate. The adjusting rod is threadedly connected to the plate and is located between the fixed plate and the first movable plate through a detachable fastener. The first drive assembly is mounted on the first movable plate.

[0011] In a further technical solution, the number of the shearing device and the rotating assembly are two, and they correspond to each other. The two shearing devices are used to shear different positions of the same workpiece, and the two rotating assemblies are connected by a connecting plate, which is connected to the first pushing assembly.

[0012] It also includes a feeding station and a material changing device, which is used for feeding and switching workpieces between two material cups.

[0013] In a further technical solution, the material changing device includes a second fixed base, a second movable plate that slides longitudinally on the second fixed base and a lifting cylinder that is fixedly installed on the second fixed base. The lifting cylinder is connected to the second movable plate. A second pushing component is installed laterally on the second movable plate. A third movable plate is installed on the moving end of the second pushing component. A feeding clamp arm, a switching clamp arm and a discharging clamp arm are installed on the third movable plate. A clamping arm is installed on the moving end of each of the three clamp arms.

[0014] The beneficial effects of this utility model are:

[0015] This invention utilizes the advantages of high precision, long service life, and smooth operation of the lead screw pair. High precision means that there will be no misalignment during the movement, which can accurately bring the first and second shearing arms to the required positions, greatly improving the shearing rigidity and ensuring that the workpiece can be cut.

[0016] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0017] Figure 1 : A three-dimensional structural diagram of this utility model.

[0018] Figure 2 : Structural diagram of the shearing device of this utility model.

[0019] Figure 3 : Disassembly diagram of the shearing device of this utility model.

[0020] Figure 4 : Structural diagram of the rotating assembly, material cup and material changing device of this utility model.

[0021] Figure 5 This utility model Figure 4 Enlarged view of part A.

[0022] Figure 6 : Structural diagram of the material changing device of this utility model.

[0023] Reference numerals: 11-Rotating assembly, 12-Material cup, 13-Snap-fit ​​position, 2-Shearing device, 21-First fixed seat, 211-Fixed plate, 212-First movable plate, 213-Adjusting rod, 214-Fixed component, 22-First drive assembly, 23-Screw screw, 241-First nut seat, 242-Second nut seat, 251-First shearing arm, 252-Second shearing arm, 253-First cutter, 254-Second cutter, 26-Mounting position, 31-Connecting plate, 32-First pushing assembly, 4-Loading station, 5-Material changing device, 51-Second fixed seat, 52-Second movable plate, 53-Lifting cylinder, 54-Second pushing assembly, 55-Third movable plate, 56-Loading clamp arm, 57-Switching clamp arm, 58-Unloading clamp arm, 59-Clamping arm, 6-Workpiece, 61-Bracket, 62-Product. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0025] Please refer to Figure 1-6 ;

[0026] The shearing module described in this utility model aims to improve structural rigidity and shearing capacity. Specifically, it includes a rotating assembly 11 and at least one shearing device 2. A material cup 12 is mounted on the movable end of the rotating assembly 11, and the material cup 12 has a locking position 13 for fixing the workpiece 6. In this embodiment, the workpiece 6 refers to... Figure 5 As shown, the overall injection molding process is as follows: the bracket 61 has three snap-fit ​​parts and six extension parts. Each extension part is provided with a product 62. There are three corresponding snap-fit ​​positions 13, which correspond to the three snap-fit ​​parts respectively. In addition, the bracket 61 is the sprue formed by injection molding and has no purpose. The specific operation is to cut and separate the product 62 from the bracket 61.

[0027] The shearing device 2 includes a first fixed base 21 and a first drive assembly 22. The first drive assembly 22 is connected to a lead screw 23. The lead screw 23 is longitudinally mounted on the first fixed base 21. It should be noted that a bearing seat for mounting the lead screw 23 should be provided on the first fixed base 21 to allow it to rotate smoothly. The first drive assembly 22 can be a combination of a motor and a synchronous pulley set, with one end of the synchronous pulley set being connected to the lead screw 23. The lead screw 23 is divided into upper and lower parts, with the upper and lower parts having reverse threads. The upper part is connected to a first nut seat 241, and the lower part... The first nut seat 241 and the second nut seat 242 are connected to the first nut seat 241 and the second nut seat 242. The first nut seat 241 and the second nut seat 242 are respectively connected to the first shear arm 251 and the second shear arm 252. The first shear arm 251 and the second shear arm 252 extend laterally and are slidably connected to the first fixed seat 21 at their respective top and bottom. The sliding connection limits the two to only moving up and down. The first cutter 253 and the second cutter 254 are respectively installed at their ends.

[0028] During operation, one of the workpieces 6 is placed in the material cup 12 and fixed by the feeding device. At this time, one end of the bracket 61 faces the shearing device 2 and is placed between the first cutter 253 and the second cutter 254. The first drive assembly 22 drives the lead screw 23 to rotate. Under the action of the reverse thread, the first nut seat 241 and the second nut seat 242 respectively drive the first shearing arm 251 and the second shearing arm 252 to move closer to each other, so that the first cutter 253 and the second cutter 254 cooperate to cut the bracket 61 and separate the corresponding product 62 from it. It should be noted that the mold base should be adjusted before production to limit the movement stroke and avoid the first cutter 253 and the second cutter 254 from colliding, or the first shearing arm 251 and the second shearing arm 252 from colliding.

[0029] After one of the products 62 is cut, the first drive component 22 reverses to make the first shearing arm 251 and the second shearing arm 252 move away from each other. At this time, the rotating component 11 drives the workpiece 6 to rotate so that the other product 62 is aligned with the shearing device 2, and the above shearing action is repeated.

[0030] In the existing technology, the lead screw 23 is a very mature product 62, with advantages such as high precision, long service life and smooth operation. Among them, high precision means that there will be no play during the movement, which can accurately make the first shearing arm 251 and the second shearing arm 252 reach the required position, greatly improving the shearing rigidity and ensuring that the workpiece 6 can be cut off.

[0031] In this embodiment of the invention, a mounting position 26 is provided in the first shearing arm 251 and / or the second shearing arm 252, and a heating component (not shown) is mounted in the mounting position 26. The heating component is used to heat the first cutter 253 and / or the second cutter 254. In this embodiment, there are two methods for heat transfer.

[0032] The first method involves a heating element that generates heat in the mounting position 26 and applies it to the shearing arm. In this embodiment, the shearing arm consists of three parts: a first connecting part, a heat insulation part, and a second connecting part. The mounting position 26 is located at the second connecting part, and the first connecting part is connected to the nut seat. The second connecting part is heated by heat transfer, and the heat is then transferred to the cutter. The second method involves a heating element that is wound around the cutter and heats the cutter by heat transfer. A heat insulation element is provided between the cutter and the shearing arm.

[0033] Regardless of the heating method used, the main purpose is to raise the temperature of the cutter to facilitate cutting the workpiece, but it will not cause the cutter to be red-hot.

[0034] In this embodiment of the present invention, the first fixed base 21 includes a fixed plate 211 and a first movable plate 212 that are slidably connected. More specifically, the two are connected by a sliding pair. An adjusting rod 213 is rotatably connected to the upper end of the fixed plate 211. The adjusting rod 213 is threadedly connected to the plate and is located between the fixed plate 211 and the first movable plate 212 by a detachable fastener 214. The first drive assembly 22 is installed on the first movable plate 212. That is, the first drive assembly 22, the first shear arm 251, the second shear arm 252, the lead screw 23 and other components form a whole. When the position needs to be adjusted, the locking of the fastener 214 is first released, and then the relative position of the movable plate and the fixed plate 211 is adjusted by rotating the adjusting rod 213. Finally, the relative position of the two is fixed by the fastener 214. During the adjustment process, the first drive assembly 22, the first shear arm 251, the second shear arm 252, the lead screw 23 and other components always remain relatively fixed, that is, no secondary adjustment is required.

[0035] In another embodiment of this utility model, there are two shearing devices 2 and two rotating components 11, which correspond to each other. The two shearing devices 2 are used to shear different positions of the same workpiece 6. The two rotating components 11 are connected by a connecting plate 31, which is connected to the first pushing component 32. It also includes a loading station 4 and a material changing device 5. The material changing device 5 is used for loading and switching the workpiece 6 between two material cups 12. Preferably, the rotating component consists of a motor and a connecting column. The motor is mounted on the connecting plate, and the connecting column extends longitudinally through the connecting plate. The two are connected by a bearing.

[0036] It should be noted that the loading station 4 also has a material cup 12, and there are two different products 62 in the workpiece 6. These different products 62 are set at intervals and have different tray placement methods.

[0037] Based on the above shearing process, firstly, the workpiece 6 arrives at the loading station 4, and then the workpiece 6 in the loading station 4 is placed in the material cup 12 on the first rotating component 11 by the material changing device 5. Then, the two rotating components 11 are simultaneously pulled towards the shearing device 2 by the first pushing component 32. After that, the rotating component 11 rotates at three position angles of 0°, 120° and 240° to perform shearing operation on the three products 62 that are spaced apart in the middle of the workpiece 6.

[0038] After completion, the first pushing component 32 pushes the two rotating components 11 to the material changing device 5 at the same time. Meanwhile, a workpiece 6 to be processed is placed at the loading station 4. The material changing device 5 simultaneously obtains the workpiece 6 to be processed and the workpiece 6 after the first shearing, and puts them into the first material cup 12 and the second material cup 12 in sequence.

[0039] The workpiece 6 in the first material cup 12 is rotated by the first rotating assembly 11 at three position angles of 0°, 120° and 240° to perform a shearing operation on the three products 62 that are spaced apart in the workpiece 6. The workpiece 6 in the second material cup 12 is rotated by the second rotating assembly 11 at three position angles of 60°, 180° and 300° to perform a shearing operation on the other three products 62 that are spaced apart in the workpiece 6. After completion, the position is switched again, and only the support 61 is left in the second material cup 12. The support 61 is taken out by the material changing device 5 and put into the waste box.

[0040] One embodiment of the material changing device 5 of this utility model specifically includes a second fixed base 51, a second movable plate 52 and a lifting cylinder 53 that slide longitudinally on the second fixed base 51, the lifting cylinder 53 being connected to the second movable plate 52, a second pushing component 54 being installed laterally on the second movable plate 52, a third movable plate 55 being installed on the moving end of the second pushing component 54, and a feeding clamp arm 56, a switching clamp arm 57 and a discharging clamp arm 58 being installed on the third movable plate 55, with a clamping arm 59 installed on the moving end of each of the three clamp arms;

[0041] The lifting cylinder 53 drives the components on the second movable plate 52 to rise and fall as a whole, so that the bracket 61 can avoid the protrusion in the material cup 12. Then, the second pushing component 54 pushes the clamp arms on the third movable plate 55 to move laterally, so that the loading clamp arm 56 picks up the workpiece 6 to be processed from the loading station 4 and places it in the first material cup 12. The switching clamp arm 57 picks up the workpiece 6 in the first material cup 12 and places it in the second material cup 12. The unloading clamp arm 58 takes out the bracket 61 in the second material cup 12 and places it in the collection box.

[0042] It should be noted that the end of the clamping arm 59 is relatively slender and can extend into the snap-fit ​​position 13 of the material cup 12 to clamp part of the bracket 61. In addition, the clamping arm is a pneumatic gripper or a pneumatic clamp.

[0043] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0044] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A shearing module, characterized in that: It includes a rotating assembly (11) and at least one shearing device (2). The rotating assembly (11) has a material cup (12) installed on its movable end. The material cup (12) has a snap-fit ​​position (13) for fixing the workpiece (6). The shearing device (2) includes a first fixed seat (21) and a first drive assembly (22). The first drive assembly (22) is connected to a lead screw (23) in a transmission manner. The lead screw (23) is longitudinally mounted on the first fixed seat (21). The upper and lower parts of the lead screw (23) are respectively reverse threads, and the upper part is connected to a first nut seat (241) and the lower part is connected to a second nut seat (242). The first nut seat (241) and the second nut seat (242) are respectively connected to the first shear arm (251) and the second shear arm (252). The first shear arm (251) and the second shear arm (252) are vertically aligned and are slidably connected to the first fixed seat (21). The first cutter (253) and the second cutter (254) are respectively installed at their ends.

2. A shearing module according to claim 1, characterized in that: The first shearing arm (251) and / or the second shearing arm (252) are provided with a mounting position (26), and a heating component is installed in the mounting position (26) for heating the first cutter (253) and / or the second cutter (254).

3. A shearing module according to claim 1, characterized in that: The first fixed base (21) includes a fixed plate (211) and a first movable plate (212) that are slidably connected. An adjusting rod (213) is rotatably connected to the upper end of the fixed plate (211). The adjusting rod (213) is threadedly connected to the plate and is located between the fixed plate (211) and the first movable plate (212) by a detachable fastener (214). The first drive assembly (22) is mounted on the first movable plate (212).

4. A shearing module according to any one of claims 1-3, characterized in that: The shearing device (2) and the rotating assembly are two in number and correspond to each other. The two shearing devices (2) are used to shear different positions of the same workpiece (6). The two rotating assemblies (11) are connected by a connecting plate (31), which is connected to the first pushing assembly (32). It also includes a loading station (4) and a material changing device (5), which is used for loading and switching the workpiece (6) between two material cups (12).

5. A shearing module according to claim 4, characterized in that: The material changing device (5) includes a second fixed base (51), on which a second movable plate (52) slides longitudinally and a lifting cylinder (53) is fixedly installed. The lifting cylinder (53) is connected to the second movable plate (52). A second pushing component (54) is installed laterally on the second movable plate (52). A third movable plate (55) is installed on the moving end of the second pushing component (54). A feeding clamp arm (56), a switching clamp arm (57), and a discharging clamp arm (58) are installed on the third movable plate (55). A clamping arm (59) is installed on the moving end of each of the three clamp arms.

Images